2 evens is an positive
1 odd,1 even is a odd
2 odd is an ofd
Answer:

Step-by-step explanation:
From the question we are told that:
Mean 
Variance 
Sample size 

Generally the equation for Chebyshev's Rule is mathematically given by

Where



Therefore
Probability


Here you will divide 500 by 6 to get the girl students, and 500 by 5 to get boys.
Answer:
Answer is x=3+0.05/5
Step-by-step explanation:
5x+19.95=35
We move all terms to the left:
5x+19.95-(35)=0
We add all the numbers together, and all the variables
5x-15.05=0
We move all terms containing x to the left, all other terms to the right
5x=15.05
x=15.05/5
x=3+0.05/5
I hope it's helpful!!
Add them together then subtract 10 then divide by 8%